1 /*

     2  * libfdt - Flat Device Tree manipulation

     3  *	Testcase for fdt_get_name()

     4  * Copyright (C) 2006 David Gibson, IBM Corporation.

     5  *

     6  * This library is free software; you can redistribute it and/or

     7  * modify it under the terms of the GNU Lesser General Public License

     8  * as published by the Free Software Foundation; either version 2.1 of

     9  * the License, or (at your option) any later version.

    10  *

    11  * This library is distributed in the hope that it will be useful, but

    12  * WITHOUT ANY WARRANTY; without even the implied warranty of

    13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    14  * Lesser General Public License for more details.

    15  *

    16  * You should have received a copy of the GNU Lesser General Public

    17  * License along with this library; if not, write to the Free Software

    18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

    19  */

    20 #include <stdlib.h>

    21 #include <stdio.h>

    22 #include <string.h>

    23 #include <stdint.h>

    24 

    25 #include <fdt.h>

    26 #include <libfdt.h>

    27 

    28 #include "tests.h"

    29 #include "testdata.h"

    30 

    31 void check_name(void *fdt, const char *path)

    32 {

    33 	int offset;

    34 	const char *getname, *getname2, *checkname;

    35 	int len;

    36 

    37 	checkname = strrchr(path, '/');

    38 	if (!checkname)

    39 		TEST_BUG();

    40 	checkname += 1;

    41 

    42 	offset = fdt_path_offset(fdt, path);

    43 	if (offset < 0)

    44 		FAIL("Couldn't find %s", path);

    45 

    46 	getname = fdt_get_name(fdt, offset, &len);

    47 	verbose_printf("fdt_get_name(%d) returns \"%s\" (len=%d)\n",

    48 		       offset, getname, len);

    49 	if (!getname)

    50 		FAIL("fdt_get_name(%d): %s", offset, fdt_strerror(len));

    51 

    52 	if (strcmp(getname, checkname) != 0)

    53 		FAIL("fdt_get_name(%s) returned \"%s\" instead of \"%s\"",

    54 		     path, getname, checkname);

    55 

    56 	if (len != strlen(getname))

    57 		FAIL("fdt_get_name(%s) returned length %d instead of %zd",

    58 		     path, len, strlen(getname));

    59 

    60 	/* Now check that it doesn't break if we omit len */

    61 	getname2 = fdt_get_name(fdt, offset, NULL);

    62 	if (!getname2)

    63 		FAIL("fdt_get_name(%d, NULL) failed", offset);

    64 	if (strcmp(getname2, getname) != 0)

    65 		FAIL("fdt_get_name(%d, NULL) returned \"%s\" instead of \"%s\"",

    66 		     offset, getname2, getname);

    67 }

    68 

    69 int main(int argc, char *argv[])

    70 {

    71 	void *fdt;

    72 

    73 	test_init(argc, argv);

    74 	fdt = load_blob_arg(argc, argv);

    75 

    76 	check_name(fdt, "/");

    77 	check_name(fdt, "/subnode@1");

    78 	check_name(fdt, "/subnode@2");

    79 	check_name(fdt, "/subnode@1/subsubnode");

    80 	check_name(fdt, "/subnode@2/subsubnode@0");

    81 

    82 	PASS();

    83 }